im getting an error message please help

[A,B,C,D]=butter(10,[395 405]/750);
d = designfilt('bandpassiir','FilterOrder',4,...
    'HalfPowerFrequency1',395,'HalfPowerFrequency2',405 ...
    'SampleRate',1500);
sos=ss2sos(A,B,C,D);
fvt=fvtool(sos,'Fs',1500);
legend(fvt,'butter','designfilt')

i am getting this error message

'SampleRate',1500);
     ↑
Error: Unexpected MATLAB expression.

Answer 1

[Birdman]

Include a comma:

d = designfilt('bandpassiir','FilterOrder',4,...
    'HalfPowerFrequency1',395,'HalfPowerFrequency2',405, ...
    'SampleRate',1500);

[James]

Thank you bro.